The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
What the number of goods being shipped through San Francisco suggested about how the Gold Rush affected the city was that San Franciso became one of the most important ports in the Pacific where goods were traded to other parts of the United States and abroad.
All this movement of goods and people during the Gold Rush in the 1860s made the city of San Franciso exponentially grow. The mass migration of the so-called Forty-niners changed the city of San Francisco and made it an important commercial hub that impulsed the economy of the area.
